一般材料(化合物、混合物)是由元素构成的,而元素是由同位素构成的。 G4Element类描述了原子的属性:atomic number 原子序数,number of nucleons 核子数,atomic mass原子质量,shell energy壳能&a…
1 获取特特定能量范围的特定粒子
E:\examples_understanding\geant4-v11.0.0_note\examples\extended\runAndEvent\RE02 //-- Particle with kinetic energy filter.G4SDParticleWithEnergyFilter* pkinEFilter new G4SDParticleWithEnergyFilter(fltName"gammaE filter&…
js滚动横幅 I recently saw a very interesting visual effect that I can only describe in a series of antonyms: a fixed, scrolling, disappearing banner. This article details my recreation and explanation of the effect. 最近,我看到了一个非常有趣的视…
一、问题描述
今天用一个魅族手机进行USB调试的时候,一直无法授权USB调试,调试授权时出现错误提示“Because an app is obscuring a permission request, Settings can’t verify your response.” 。如下所示: 想通过adb命令查看下设备信息,也是进入不去,提示未授权,如…